Ground clamp



FIG. 1 is a perspective view of one embodiment of the design.

FIG. 2 is a side view thereof, the opposite side view being the same.

FIG. 3 is a top view thereof.

FIG. 4 is a bottom view thereof.

FIGS. 5 and 6 are end views thereof.

FIG. 7 is a perspective view of a second embodiment of the design.

FIG. 8 is a side view thereof, the opposite side view being the same.

FIG. 9 is a top view thereof.

FIG. 10 is a bottom view thereof; and,

FIGS. 11 and 12 are end views thereof. 

The ornamental design for a ground clamp, as shown and described. 